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美国白蛾是国际性检疫害虫 ,可以危害 30 0余种植物。由于食性杂 ,寄主广 ,危害重 ,繁殖力强 ,传播途径广 ,被林业部定为十大主要病虫害之一。所以 ,也被人们称之为“社会性害虫”。该虫1 989年传入河北省 ,现已蔓延到秦皇岛市和唐山市。给全省林果生产、旅游业带来了巨大的损
American white moth is an international quarantine pest that can endanger more than 300 species of plants. Due to food miscellaneous, host wide, endanger heavy, fertility, wide transmission, the Ministry of Forestry as one of the top ten major pests and diseases. Therefore, it is also called “social pests”. The worm was introduced into Hebei Province in 1989 and has now spread to Qinhuangdao and Tangshan. To the province’s forestry production, tourism has brought huge losses